138024194 has 32 divisors (see below), whose sum is σ = 259117056. Its totient is φ = 53568720.

The previous prime is 138024191. The next prime is 138024197. The reversal of 138024194 is 491420831.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (138024191) and next prime (138024197).

It is a self number, because there is not a number n which added to its sum of digits gives 138024194.

It is not an unprimeable number, because it can be changed into a prime (138024191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41999 + ... + 45165.

It is an arithmetic number, because the mean of its divisors is an integer number (8097408).

Almost surely, 2^138024194 is an apocalyptic number.

138024194 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

138024194 is a deficient number, since it is larger than the sum of its proper divisors (121092862).

138024194 is a wasteful number, since it uses less digits than its factorization.

138024194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3470.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 138024194 is about 11748.3698443656. The cubic root of 138024194 is about 516.7951230142.

The spelling of 138024194 in words is "one hundred thirty-eight million, twenty-four thousand, one hundred ninety-four".